Pedro Roman
type: MusicGroup
genre: polka
genre: traditional music
popularity: 4
followers: 58
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad785bd9b7d517d7da9728a5eb38307a174b9421c0eeb56231e28887a7a9ca2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebff50cc-e632-4af7-afbe-b7c94d582abc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebff50cc-e632-4af7-afbe-b7c94d582abc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ebff50cc-e632-4af7-afbe-b7c94d582abc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xad785bd9b7d517d7da9728a5eb38307a174b9421c0eeb56231e28887a7a9ca2a","name":"Pedro Roman","registered_at":"2026-06-21T11:15:40Z","symbol":"NIM1904819","token_address":"0x28d25e165a3c3ab96b6ed5342659a9b3b19bad74","type":"artist","uuid":"ebff50cc-e632-4af7-afbe-b7c94d582abc"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad785bd9b7d517d7da9728a5eb38307a174b9421c0eeb56231e28887a7a9ca2a. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebff50cc-e632-4af7-afbe-b7c94d582abc.json and https://artists.proofprofile.net/proofs/artist/ebff50cc-e632-4af7-afbe-b7c94d582abc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0xad785bd9b7d517d7da9728a5eb38307a174b9421c0eeb56231e28887a7a9ca2a","name":"Pedro Roman","registered_at":"2026-06-21T11:15:40Z","symbol":"NIM1904819","token_address":"0x28d25e165a3c3ab96b6ed5342659a9b3b19bad74","type":"artist","uuid":"ebff50cc-e632-4af7-afbe-b7c94d582abc"}
album: El Alma de la Música Paraguaya en la Orquesta Paraguaya De
  type: MusicAlbum
  date published: 1998-01-01
  track: Peregrino Trovador
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190120
    explicit: false
    by artist: Pedro Roman
    in album: El Alma de la Música Paraguaya en la Orquesta Paraguaya De
      type: MusicAlbum
      date published: 1998-01-01
    genre: polka
    genre: traditional music
    isrc code: QM6N21469229
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T21:54:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbba48972f0ba79a8a5f9733ffb40b5e5cbb4b7d22713a453d5e4b1e9bc1f9d3e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958793
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958793
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21469229
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T22:59:45Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba48972f0ba79a8a5f9733ffb40b5e5cbb4b7d22713a453d5e4b1e9bc1f9d3e. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21469229.
      date published: 2026-07-19T22:59:45Z
    audio: Peregrino Trovador
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 154.611
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.575
      additional property: Energy
        type: PropertyValue
        value: 0.668
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.813
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.899
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.319
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Y Orquesta Típica Paraguaya
  type: MusicAlbum
  date published: 2001-10-01
album: Corazon Cubano
  type: MusicAlbum
  date published: 2011-01-12
album: Con Buena Onda
  type: MusicAlbum
  date published: 2011-06-16
album: Clasicos de Siempre
  type: MusicAlbum
  date published: 2011-08-16
album: Cantame un Bolero
  type: MusicAlbum
  date published: 2012-03-21
album: Bajo las Palmeras
  type: MusicAlbum
  date published: 2012-07-16
album: La Vida Es Hoy
  type: MusicAlbum
  date published: 2012-08-15
album: This Is My Life
  type: MusicAlbum
  date published: 2013-10-01